Home / 50,895.70-76,307.10-21,298.30

Finding the Fourth Proportional to 50,895.70, 76,307.10 and 21,298.30

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Solution

The fourth proportional to 50,895.70, 76,307.10 and 21,298.30 is: 31,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,895.70 : 76,307.10 = 21,298.30 : x
  2. Step 2: Convert to fraction form
    50,895.70/76,307.10 = 21,298.30/x
  3. Step 3: Cross multiply
    50,895.70x = 76,307.10 × 21,298.30
  4. Step 4: Simplify right side
    50,895.70x = 1,625,211,507.93
  5. Step 5: Solve for x
    x = 1,625,211,507.93/50,895.70
  6. Step 6: Final answer
    x = 31,932.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.